generator deadline should not be negative
generator deadline should not be negative

fimkrypto/nxt,metrospark/czarcraft,metrospark/czarcraft,fimkrypto/nxt,dmkaplan2000/nxt_dmk,fimkrypto/nxt,duckx/nxt,duckx/nxt,duckx/nxt,metrospark/czarcraft,Ziftr/nxt,dmkaplan2000/nxt_dmk,Ziftr/nxt,dmkaplan2000/nxt_dmk,Ziftr/nxt,fimkrypto/nxt